Orthonotes
by the.bonestories
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A comprehensive systematic approach to interpreting hip radiographs, covering patient positioning, anatomical landmarks, key lines and angles, pathological patterns, and common hip...
General | 👁 38 | 1 day agoA lytic bone lesion on X-ray should be approached systematically using five steps: patient age (the single most powerful clue — under 20 favours benign lesions, over 40 mandates ex...
Tumor | 👁 114 | 2 days agoThe unhappy triad (O'Donoghue triad) is a combined knee injury involving the ACL, MCL, and medial meniscus, classically caused by a valgus contact force on a planted foot. Modern e...
Tumor | 👁 16 | 3 days agoTennis elbow = lateral epicondylitis (ECRB tendon origin degeneration). Golfer’s elbow = medial epicondylitis (flexor-pronator origin). Clinical: pain, tenderness, weakness of grip...
General | 👁 96 | 2 weeks agoSecond most common compression neuropathy after CTS; affects ulnar nerve at elbow. Symptoms: paresthesias in ulnar digits, weakness of intrinsic hand muscles. Tests: Tinel’s at elb...
General | 👁 29 | 2 weeks agoCommon in elderly and overhead athletes; supraspinatus most often torn. Clinical: pain, weakness in abduction/external rotation, night pain. Tests: Jobe’s, drop arm, external rotat...
General | 👁 31 | 2 weeks agoMallet: extensor tendon avulsion at DIP → inability to extend. Jersey: FDP avulsion at DIP → inability to flex. Mallet mechanism: forced DIP flexion; Jersey: forced DIP e...
General | 👁 28 | 2 weeks agoSpectrum: acetabular dysplasia to frank dislocation. Risk factors: breech, female, family history, oligohydramnios. Clinical: Ortolani & Barlow tests in neonates; Galeazzi sign, li...
General | 👁 20 | 2 weeks agoIdiopathic avascular necrosis of femoral head in children 4–10 yrs. More common in boys; often unilateral. Clinical: limp, hip/knee pain, limited abduction/internal rotation. Imagi...
General | 👁 13 | 2 weeks agoSLAP = Superior Labrum Anterior to Posterior tear involving biceps anchor. Mechanism: overhead throwing, fall on outstretched hand. Types I–IV (Snyder classification). Clinical: pa...
General | 👁 12 | 2 weeks agoMost common indication: displaced femoral neck fracture in elderly. Types: unipolar (Austin-Moore, Thompson) vs bipolar prostheses. Advantages: shorter surgery, less blood loss vs...
Arthroplasty | 👁 13 | 2 weeks agoAVN = ischemic necrosis of femoral head → collapse and arthritis. Risk factors: steroids, alcohol, trauma, sickle cell, Gaucher’s, idiopathic. Ficat staging I–IV; ARCO integrates i...
General | 👁 13 | 2 weeks ago